Lingenfelter OBD II DLC Diagnostic Port Cover Kit

Product Details

The Lingenfelter OBD II DLC diagnostic port cover is designed to warn shops and service areas not to recalibrate your vehicle with software updates. The diagnostic port cover lets your dealer and other service facilities know that there is a custom calibration in the vehicle and that the ECM/PCM should not be recalibrated or updated.
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Our Story

Lingenfelter Performance Engineering was founded over 43 years ago and is a globally recognized brand in the automotive performance engineering industry. Lingenfelter offers engine building, engine & chassis tuning components and installation for most GM vehicles.